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Extinctions of lifeThis meeting presentation examines mass extinctions through earth's history. Extinctions are charted for marine families and marine genera. Timing of marine genera extinctions is discussed. Periodicity in extinctions during the Mesozoic and Cenozoic eras is plotted and compared with Paleozoic extinction peaks. The role of extinction in evolution and mankind's role in present extinctions are examined.
Document ID
20040120763
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
Authors
Sepkoski, J. J. Jr (University of Chicago United States)
Sepkoski JJ, J. r.
Date Acquired
August 22, 2013
Publication Date
January 1, 1988
Publication Information
Publication: Los Alamos science / Los Alamos Scientific Laboratory
Volume: 16
ISSN: 0273-7116
Subject Category
Geosciences (General)
Distribution Limits
Public
Copyright
Other
Keywords
NASA Discipline Exobiology
Non-NASA Center

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